Wavecor SW270WA01
Subwoofer
10.5″ / 267 mm
Nominal diameter
28 Hz
Resonance
0.49
Q factor
85 dB
Sensitivity
± 11 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.2
dB
Frequency response
28 - 400
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
28.0
Hz
Mechanical quality factor
QMS
8.10
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.49
Large signal parameters
Maximum linear excursion
xmax
11.0
mm
Air volume displaced at xmax
VD
343
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
1.4
mH
VC Diameter
51
mm
Winding height
HVC
28
mm
Magnet
Force factor
Bl
9.7
N/A
Motor constant
Bl/√RE
5.42
N/√W
Air gap height
HAG
6
mm
Diaphragm
Effective diameter
199
mm
Effective area
SD
312
cm²
Moving mass
MMS
88
g
Moving mass (without air load)
MMD
83.7
g
Suspensions
Stiffness
KMS
2.7
N/mm
Compliance
CMS
370
µm/N
Equivalent volume to the compliance
VAS
51
L
Mechanical resistance
RMS
1.9
N·s/m
Dimensions
Nominal diameter
10.5
″
267
mm
Volume occupied by the driver (estimated)
1.5
L
Net weight
3.6
kg
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SD
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SD
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